mail adress valider

Question

mail adress valider

cyril lemoine 1

Hi,

On Sharepoint 2016, i try to add an external user. However, when i enter a mail address with a domain name longer than 3 characters, i have an error message : "your email address is not valid".
For exemple :
.com, .bio, ... --> OK
.coop --> NOK

Any ideas to fix this ?

Thanks a lot

Bye

Cyril

Emily Du-MSFT 51,861 Reputation points Microsoft External Staff

2021-11-09T02:09:10.577+00:00

@cyril lemoine

Thank you for your question.

We are currently looking into this issue and will give you an update as soon as possible.

Thank you for your understanding and support.
Emily Du-MSFT 51,861 Reputation points Microsoft External Staff

2021-11-09T09:31:48.257+00:00

@cyril lemoine

I want to confirm that whether you want to add a external user from another domain into SharePoint? Have you configured trusted domain between two domains?

If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
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Emily Du-MSFT 51,861 Reputation points Microsoft External Staff

2021-11-16T02:32:35.677+00:00

@cyril lemoine

I’m checking how the things are going on about this issue.

If there is any problem with this issue, feel free to let me know.

1 answer

Your answer

Emily Du-MSFT 51,861 Reputation points Microsoft External Staff

2021-11-09T02:09:10.577+00:00

@cyril lemoine

Thank you for your question.

We are currently looking into this issue and will give you an update as soon as possible.

Thank you for your understanding and support.
Emily Du-MSFT 51,861 Reputation points Microsoft External Staff

2021-11-09T09:31:48.257+00:00

@cyril lemoine

I want to confirm that whether you want to add a external user from another domain into SharePoint? Have you configured trusted domain between two domains?

If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.
Emily Du-MSFT 51,861 Reputation points Microsoft External Staff

2021-11-16T02:32:35.677+00:00

@cyril lemoine

I’m checking how the things are going on about this issue.

If there is any problem with this issue, feel free to let me know.

Answer 1

Email addresses are a pain to validate as different systems use different rules. In your case I would ask the question if that domain is actually valid. Top level domains (the last part of the email address) are often limited to known valid ones and coop isn't one.

You should check with your email server to see if it likes that email address. If it doesn't then it won't work. I have found that using my email client and attempting to send a test email to such a user is a good indicator. For example Exchange requires at least 2 domains be specified in an email address even though the spec doesn't actually require it.

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mail adress valider

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